RFR: 8367603: Optimize exact division in BigDecimal [v15]

[Raffaello Giulietti]

On Thu, 25 Sep 2025 15:03:26 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> fabioromano1 has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Comments
>
> test/micro/org/openjdk/bench/java/math/BigDecimalDivide.java line 153:
> 
>> 151:         }
>> 152:     }
>> 153: }
> 
> It would be useful to publish the "before" and "after" results of running these benchmarks.

This benchmark mostly measures the performance of the exact division failures (`"Non-terminating decimal expansion"`), which is good, as this is a very realistic scenario.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27271#discussion_r2382378267